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ASF GitHub Bot commented on BEAM-53: ------------------------------------ GitHub user mshields822 opened a pull request: https://github.com/apache/incubator-beam/pull/120 [BEAM-53] Pub/sub client with gRPC implementation Support pub/sub via gRPC. Will later use for pure Java pub/sub source/sink. You can merge this pull request into a Git repository by running: $ git pull https://github.com/mshields822/incubator-beam pubsub-grpc Alternatively you can review and apply these changes as the patch at: https://github.com/apache/incubator-beam/pull/120.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #120 ---- ---- > PubSubIO: reimplement in Java > ----------------------------- > > Key: BEAM-53 > URL: https://issues.apache.org/jira/browse/BEAM-53 > Project: Beam > Issue Type: New Feature > Components: runner-core > Reporter: Daniel Halperin > Assignee: Mark Shields > > PubSubIO is currently only partially implemented in Java: the > DirectPipelineRunner uses a non-scalable API in a single-threaded manner. > In contrast, the DataflowPipelineRunner uses an entirely different code path > implemented in the Google Cloud Dataflow service. > We need to reimplement PubSubIO in Java in order to support other runners in > a scalable way. > Additionally, we can take this opportunity to add new features: > * getting timestamp from an arbitrary lambda in arbitrary formats rather than > from a message attribute in only 2 formats. > * exposing metadata and attributes in the elements produced by PubSubIO.Read > * setting metadata and attributes in the messages written by PubSubIO.Write -- This message was sent by Atlassian JIRA (v6.3.4#6332)